KDE

KDE is a community that produces free software, including a desktop environment called KDE Plasma for operating systems based on Linux or UNIX. This replaces the console, which is simply a black screen with text on it. KDE Plasma is a popular piece of software for users of Linux and UNIX.

K Desktop Environment

A screenshot of KDE Plasma 5.16, showing the default desktop, with KDE System Settings and Kickoff Menu.